. s . defenses . the main japanese assault occurred around lung ##a ridge south of henderson field , manned by troops from several u . s . marine corps units , primarily troops from the 1st raider and 1st parachute battalions under u . s . marine corps lieutenant colonel merritt a . eds ##on . although the marine defenses were almost overrun , ka ##wa ##guchi ' s attack was ultimately defeated , with heavy losses for the japanese . because of the key participation by eds ##on ' s unit in defending the ridge , the ridge was commonly referred to as " eds ##on ' s " ridge in historical accounts of the battle in western sources . after eds ##on ' s ridge
. s. defenses. the main japanese assault occurred around lunga ridge south of henderson field, manned by troops from several u. s. marine corps units, primarily troops from the 1st raider and 1st parachute battalions under u. s. marine corps lieutenant colonel merritt a. edson. although the marine defenses were almost overrun, kawaguchi's attack was ultimately defeated, with heavy losses for the japanese. because of the key participation by edson's unit in defending the ridge, the ridge was commonly referred to as " edson's " ridge in historical accounts of the battle in western sources. after edson's ridge